The fan blades noise types are analyzed. It studies fan blades airflow dynamic noise principle.

通过分析风机叶片噪声的类型，研究风机叶片产生空气动力性噪声的机理。

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The noise of wood-based panel machinery mainly includes mechanical noise, air dynamic noise, etc.

人造板机械的噪声主要有机械噪声和空气动力性噪声。

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Firstly, analyze the primary Dynamic noise reduction (DNR) model, and present an improvement project.

分析原动态降噪(DNR)模型并提出改进方案。

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And technology has emerged to clear out these different kinds of noise called Dynamic Spectrum Management (DSM).

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Superior Auto mode recognizes a wide range of shooting situations, adjusting exposure and other settings for high-quality images with low noise and high dynamic range.

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The upgrades to the camera were not MPs, but faster photo capture, dynamic lighting, panoramic photos and noise cancellation for video.

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